Trolley wheel



Oct. 16 1923. J. S. RONCATI TROLLEY WHEEL Filed April 8. 1922 ATTORNEY.

e e sosnrfiesmoieo ndh'rr,"or es ANGEILESQMLIFOB I 7' we eeme mem s,

' Be itknovvnthat L-i Jossrii S1110 lloii citizen jfthe Unitedjstet'es, re'si'din g etLos'. I Angele'syin'thecountyofLos Angelesendy State ofCalifornia', hav'e 'i'nvented a iiewfll w r and usefullmprovement infTrolley Wheelsf i ofwvhich the following is aspeoifioation.

The. main ohject'iof "thisinvention-is tor is j providea itrolley vvhe el which will fit ior hugthe Wire Vandat the saineotime permit the;

; 'ftormy invention comprises twqfmernbersel I end 2, formedjrespect vely w th side flanges crossings switehesore-curves;"

1 broken rear elevation sthereof;-'Figi 8 1a plan of the trolley wheelingthe position octrolley The "accompanyingdrayvings meme embodiment of my invention and referring thereto Fig.1 islawpertly'broken' side eleiva= tion of the trolley wheelgFig 2 is a partly i on pied when entering" on a; fro @p jortionof v I Band 4, adeptedto embrace the trolley ire 7 3 i 7 indicatedet 7- andforming, in conjunction and with concave projectingportions, 553116.;

' shokes 10, I

V l "and! lS jJbeinQaprQvided respectively beef CATI, asubjeet of -"the King-of ltaly, who tween theheads l9-of said boltS- and the has: declared "his intention of becomingfe SpOliSlO ZvIldf bGlQWQQH the nutsfQdof said 7 bolts end spokes l0gso as totend to yield-1 0 e ingly'hold the members 1 and'Qto'werd one]. another; ;By adjusting the nuts 20, the pressuregof springs 1 7 and18 .mey'bevaried tolgive'any;desiredfpressureion'the members 1? and 2 sees to hold themclos e .to*the trolwire or to eausejthem'to press on the the trolley wiresuflioientlyclose to minimize ftrolle'y, .Wire.;-- f i the tendency of the trolley-wheel tdleave ley Ajgu'ide 22' pivotally mounted on :the v e v i I I trolleyfpinjl3 is formed ith an. inclined fj 1 heel to ijass -ifreely over 'frogs ia ce 23' adapted 'tdguide the trolley wheel 0 ,ongtdtheltrolley wire, 'Whenfthe guide is 'misedto bdsition 'shownfin fdotted' lines in Fig. 2.7 {Said guideis normally in lowered shown inifull' lines; so' as to bfejeleei" of the Wire andis raised hy 'imil lin g-j e oord 2&1 r whichz is connected torzan arrn 25 or said guide, fA segment'bar 27 connected to arm 2 v y o .E2 jrunsih arguide28 onharp 13Vand'serves Theftrolley Wheel eonstructedgaccording gto gsup'port'thefguide-22; r

';runs' on: the trolley; Wire in such manner as e t fitfthe seine closely thereby preventirigor restraining the trolley 'wheel from leaving Gadapted to'extendiunder the trolley wire; "the Wire, and also providingYefl'ective c on- With "the side'flanges, -3'-andl4;,e 1 annulalrf groove for 'receiving'the trolley ire; The

provided respectively with anyfdesirednunriberof teeth or projections- 8 and 9 which intereng'age or mesh with one enotherso asto' always" present a substantially" continuous;

taet ofi the Wheel with the Wire. Inpessinq over enlargements onthew ire, such as those.- presented atirjogs (as indicatedat 3Q in projecting portions 5 and 6 are'pr'eferably Fig; 3)gswitehesyerossings or heng'ers' or in hersl l 'aild v 2 ofthe wheel spreading apart against the yielding pressure 'of thejsprings V groove surface and to hold the members l ilf andf18, so as to-permit'the wheel to pass and 2 against relative circumferential move-j e l While P r i ing relative i laterelf without undiie obstruction; the :rjarts ofthe movement thereoflthat is to say,emovemenjt" transverse ,to the planegof the trolley heel i or'narallel to'thevaxis thereof. Members' l endQ of" the trolleyiwheel ere shown-es 7 provided with radial arms or spokes, con nesting theisame rigidly ewith xhub memhers 11, Which 'are provided with othe bear-i i119 12 whereby they are journalled on the 5 spindle or bearing'pin13 of the trolley wheel, which ismounted in the usual mane.

ner on the harp indicated at 14, The=mem l l bers 1 aInd2 of the trolley wheel are yieldf singly connected, ifor example, by means of i holtsl'or pins l5, extending through open Wheelj closing-together" again when the. enlargeinent or curve 1s passed. Thetenslo'n vide the LWhat I m f 'A l ev wheel. omprising a rbearing vj two trolley wheelmembers mounted on] Sitld. bearing pin ln sucha manner as to turns thereonendto permit'i'ofe relatively slid- 4 ing movement of sa'idtrolley .wheel'mem; 1 hers 'towardend from'ron'e another, and

spring-flmeens folr yieldingly holding the two trolley wheel members toward one anpassing around curves the trolleywheel ex- 3 hands or spreads laterally, the two mem-L:

gaging "projections in the "groeied jpertion' thereof adapted toform a bearlng surface for the trolley wire .in 'the i-eletively sliding 1 movement ofthe trolley; Wheel members.

1!; A censtruction asset forth in'cleim 11 and eer nprisingfg iplurelity vof-bo'lts extend-i ing through the trolley wheeli niembers and ori which the trolley l nem bers ere mummy islidabl, the aforesaid spring means being mounted on said-bolts.

A constructlon as set forth in claim 1 wherein said intere'ngaging projections on the trolley wheelmembers form a substantially continuous surface circumferentially.

of the trolley heel groove. 7 'In testimeny whereof I have: hereunto subscribedrmy name" this-31st day of March 7 I 'JOSFPH smeRONCATIf 

